Home / 1,228,693.10-1,695,604.35-684,863.37

Finding the Fourth Proportional to 1,228,693.10, 1,695,604.35 and 684,863.37

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Solution

The fourth proportional to 1,228,693.10, 1,695,604.35 and 684,863.37 is: 945,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,693.10 : 1,695,604.35 = 684,863.37 : x
  2. Step 2: Convert to fraction form
    1,228,693.10/1,695,604.35 = 684,863.37/x
  3. Step 3: Cross multiply
    1,228,693.10x = 1,695,604.35 × 684,863.37
  4. Step 4: Simplify right side
    1,228,693.10x = 1,161,257,309,327.66
  5. Step 5: Solve for x
    x = 1,161,257,309,327.66/1,228,693.10
  6. Step 6: Final answer
    x = 945,115.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.